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<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    有序列表：<br>
    <ol>
        <li>中国</li>
        <li>美国</li>
        <li>加拿大</li>
        <li>日本</li>
    </ol>
    无序列表：<br>
    <ul>
        <li>java</li>
        <li>css</li>
        <li>html</li>
        <li>js</li>
        <li>less</li>
    </ul>
    自定义列表：<br>
    <dl>
        <dt>科目</dt>
        <dd>数学</dd>
        <dd>语文</dd>
        <dd>英语</dd>
        <dd>化学</dd>
        <dt>成绩</dt>
        <dd>100</dd>
        <dd>99</dd>
        <dd>98</dd>
        <dd>97</dd>
    </dl>
    表格:<br>
    <table border="1px">
        <tr>
            <td>科目</td>
            <td>分数</td>
            <td>排名</td>
        </tr>
        <tr>
            <td>数学</td>
            <td>99</td>
            <td>1</td>
        </tr>
        <tr>
            <td>语文</td>
            <td>60</td>
            <td>100</td>
        </tr>
    </table>
    <table border="1px" style="width: 500px;height: 300px;">
        <tr>
            <td>1x1=1</td>
            <td>1x2=2</td>
            <td>1x3=3</td>
            <td>1x4=4</td>
            <td>1x5=5</td>
            <td>1x6=6</td>
            <td>1x7=7</td>
            <td>1x8=8</td>
            <td>1x9=9</td>
        </tr>
        <tr>
            <td rowspan="8"></td>
            <td>2x2=4</td>
            <td>2x3=6</td>
            <td>2x4=8</td>
            <td>2x5=10</td>
            <td>2x6=12</td>
            <td>2x7=14</td>
            <td>2x8=16</td>
            <td>2x9=18</td>
        </tr>
        <tr>
            <td rowspan="7"></td>
            <td>3x3=9</td>
            <td>3x4=12</td>
            <td>3x5=15</td>
            <td>3x6=18</td>
            <td>3x7=21</td>
            <td>3x8=24</td>
            <td>3x9=27</td>
        </tr>
        <tr>
            <td rowspan="6"></td>
            <td>4x4=16</td>
            <td>4x5=20</td>
            <td>4x6=24</td>
            <td>4x7=28</td>
            <td>4x8=32</td>
            <td>4x9=36</td>
        </tr>
        <tr>
            <td rowspan="5"></td>
            <td>5x5=25</td>
            <td>5x6=30</td>
            <td>5x7=35</td>
            <td>5x8=40</td>
            <td>5x9=45</td>
        </tr>
        <tr>
            <td rowspan="4"></td>
            <td>6x6=36</td>
            <td>6x7=42</td>
            <td>6x8=48</td>
            <td>6x9=54</td>
        </tr>
        <tr>
            <td rowspan="3"></td>
            <td>7x7=49</td>
            <td>7x8=56</td>
            <td>7x9=63</td>
        </tr>
        <tr>
            <td rowspan="2"></td>
            <td>8x8=64</td>
            <td>8x9=72</td>
        </tr>
        
            <td></td>
            <td>9x9=81</td>
        
    </table>
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